Specification:

Brand: HQProp

Model: DT2.9X2.7X3

Propeller Diameter: 2.9inch     
Pitch : 2.7              
Blades : 3
Material : Poly Carbonate 

Color: Gray / Lemon Yellow ( Optional)

Quantity: 2 Pairs / 10 Pairs ( Optional)        

Weight :1.7
Hub Diameter : 10.6mm           
Hub Thickness: 5.3mm           
Shaft :2.3/2/2.3mm
Adaptor Rings : NO

Package Included:

2x DT2.9X2.7X3 propeller CW 
2x DT2.9X2.7X3 propeller CCW

OR

10x DT2.9X2.7X3 propeller CW 
10x DT2.9X2.7X3 propeller CCW